Resistência, dureza, tenacidade.
n.The quality or state of being tough.
n.stamina, staying power, endurance generic term noun, huskiness, ruggedness, strength generic term noun, temper, elasticity generic term, snap generic term noun, formidability, difficulty generic term, difficultness generic term
Vogais: oue
Consoantes: tghnss
toughen, touch on, tugan, toucan, toxine, tuchman, thioguanine, thiothixene, to each one, tachinae.